From the given chart, the most likely meaning of the word 'monotone' would be '<u>a single unvaried pitch</u>.' The prefix 'mono-' stands for 'single' while the root word 'tone' means 'sound or pitch.' Thus, the complete word implies 'a single uniform sound without any change in its pitch or intonation.' Thus, <u>option B</u> is the correct answer.
